def http_get():
send_message(Command.START, 'http_get')
url = '{}/{}'.format(API_ENDPOINT, '12')
response = requests.get(url=url)
response_json = response.json()
send_message(Command.STOP, 'http_get')
def query_records():
send_message(Command.START, 'query_record_sqlite3')
connection = sqlite3.connect(DB_PATH)
cursor = connection.cursor()
command = 'select * from Measurements order by ID desc limit 5'
cursor.execute(command)
rows = cursor.fetchall()
connection.close()
send_message(Command.STOP, 'query_record_sqlite3')
def insert_record():
timestamp = datetime.datetime.now().strftime('%H:%M:%S.%f')
temperature = 25.072
humidity = 56.19
pressure = 998.646
send_message(Command.START, 'save_record_sqlite3')
connection = sqlite3.connect(DB_PATH)
cursor = connection.cursor()
command = 'insert into Measurements (TimeStamp, Temperature, Humidity, Pressure) ' \
+ 'values (?, ?, ?, ?)'
cursor.execute(command, (timestamp, temperature, humidity, pressure))
connection.commit()
connection.close()
send_message(Command.STOP, 'save_record_sqlite3')
def http_post():
data = [{
'TimeStamp': '23:33:14.695226',
'Temperature': 24.893,
'Humidity': 56.576,
'Pressure': 998.634
}, {
'TimeStamp': '23:33:33.805037',
'Temperature': 24.963,
'Humidity': 56.488,
'Pressure': 998.640
}, {
'TimeStamp': '23:34:02.239622',
'Temperature': 25.177,
'Humidity': 55.715,
'Pressure': 998.687
}, {
'TimeStamp': '23:34:54.227033',
'Temperature': 24.939,
'Humidity': 55.843,
'Pressure': 998.686
}, {
'TimeStamp': '23:39:44.063628',
'Temperature': 24.980,
'Humidity': 55.676,
'Pressure': 998.705
}]
headers = {
'Content-Type': 'application/json',
'Accept': 'application/json'
}
send_message(Command.START, 'http_post')
try:
response = requests.post(url=API_ENDPOINT, json=data, headers=headers)
except Exception as e:
print(e)
send_message(Command.STOP, 'http_post')
#!/usr/bin/env python3
import os
import sys
import argparse
from scripts.communication_helpers.communication_helper import Command, send_message
if __name__ == '__main__':
parser = argparse.ArgumentParser(
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('command',
choices=['start', 'stop'],
help='Start / stop the energy measurement.')
parser.add_argument(
'message', help='Start / stop the measurement with the given message.')
args = parser.parse_args()
command = Command.START if args.command == 'start' else Command.STOP
send_message(command, args.message)
import os
import sys
import time
from scripts.communication_helpers.communication_helper import Command, send_message
# change this value for a different result
nterms = 10000
# first two terms
n1 = 0
n2 = 1
count = 0
send_message(Command.START, 'fibonacci')
time.sleep(1)
fibonacci_sequence = [n2]
while count < nterms:
nth = n1 + n2
fibonacci_sequence.append(nth)
# update values
n1 = n2
n2 = nth
count += 1
time.sleep(1)
#!/usr/bin/env python3 import os import sys import time from scripts.communication_helpers.communication_helper import Command, send_message send_message(Command.START, 'test_sender.py:27') time.sleep(4) send_message(Command.STOP, 'test_sender.py:27') send_message(Command.START, 'test_sender.py:28') time.sleep(2) send_message(Command.STOP, 'test_sender.py:28')
from scripts.communication_helpers.communication_helper import Command, send_message
import sys
import signal
from sense_hat import SenseHat
from evdev import InputDevice, list_devices, ecodes
sense = SenseHat()
def signal_handler():
raise Exception('timeout')
if __name__ == "__main__":
for dev in [InputDevice(fn) for fn in list_devices()]:
if dev.name == 'Raspberry Pi Sense HAT Joystick':
break
signal.signal(signal.SIGALRM, signal_handler)
signal.alarm(10)
try:
send_message(Command.START, 'joystick_event_loop')
for event in dev.read_loop():
if event.type == ecodes.EV_KEY:
pass
except:
send_message(Command.STOP, 'joystick_event_loop')
from scripts.communication_helpers.communication_helper import Command, send_message
import time
from sense_hat import SenseHat
sense = SenseHat()
W = (255, 255, 255)
B = (0, 0, 0)
for _ in range(10):
# Show string message
sense.clear()
send_message(Command.START, 'LED_show_message')
message = 'TEST'
for i in range(len(message)):
sense.show_letter(message[i])
time.sleep(1)
send_message(Command.STOP, 'LED_show_message')
# Show an 'A' letter
sense.clear()
send_message(Command.START, 'LED_show_letter')
sense.show_letter('A')
time.sleep(3)
send_message(Command.STOP, 'LED_show_letter')
# Light up pixels for more accurate measurement.
sense.clear()
import os
import sys
import time
from scripts.communication_helpers.communication_helper import Command, send_message
# change this value for a different result
nterms = 10000
# first two terms
n1 = 0
n2 = 1
count = 0
send_message(Command.START, 'figure_3_2_1_part_1')
fibonacci_sequence = [n2]
while count < nterms:
nth = n1 + n2
fibonacci_sequence.append(nth)
# update values
n1 = n2
n2 = nth
count += 1
send_message(Command.STOP, 'figure_3_2_1_part_1')
send_message(Command.START, 'figure_3_2_1_part_2')
with open('fibonacci_sequence.txt', 'w') as f:
#!/usr/bin/env python3
from scripts.communication_helpers.communication_helper import Command, send_message
import time
import sched
import datetime
scheduler = sched.scheduler(time.time, time.sleep)
start_time = ''
def function_1():
if datetime.datetime.now() - start_time < datetime.timedelta(seconds=10):
scheduler.enter(1, 0, function_1, ())
if __name__ == "__main__":
send_message(Command.START, 'scheduling')
start_time = datetime.datetime.now()
scheduler.enter(0, 0, function_1, ())
scheduler.run()
send_message(Command.STOP, 'scheduling')
key = arr[i]
j = i - 1
while j >= 0 and key < arr[j] :
arr[j + 1] = arr[j]
j -= 1
arr[j + 1] = key
return arr
nterms = int(sys.argv[1])
# first two terms
n1 = 0
n2 = 1
count = 0
send_message(Command.START, 'fibonacci_alg_python')
fibonacci_sequence = [ n2 ]
while count < nterms:
nth = n1 + n2
fibonacci_sequence.append(nth)
# update values
n1 = n2
n2 = nth
count += 1
fibonacci_sequence.reverse()
sorted_list = insertionSort(fibonacci_sequence)
#!/usr/bin/env python3
from scripts.communication_helpers.communication_helper import Command, send_message
from sense_hat import SenseHat
sense = SenseHat()
for _ in range(10):
send_message(Command.START, 'temperature_from_pressure')
temperature_from_pressure = sense.get_temperature_from_pressure()
send_message(Command.STOP, 'temperature_from_pressure')
send_message(Command.START, 'temperature_from_humidity')
temperature_from_humidity = sense.get_temperature_from_humidity()
send_message(Command.STOP, 'temperature_from_humidity')
send_message(Command.START, 'pressure')
pressure = sense.get_pressure()
send_message(Command.STOP, 'pressure')
send_message(Command.START, 'humidity')
humidity = sense.get_humidity()
send_message(Command.STOP, 'humidity')